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x86/asm: Fix register order

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commit a92ede2d584a2e070def59c7e47e6b6f6341c55c upstream.

Ensure the register order is correct; this allows for easy translation
between register number and trampoline and vice-versa.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Borislav Petkov <bp@suse.de>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Tested-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/r/20211026120309.978573921@infradead.org
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Zijlstra 2021-10-26 14:01:38 +02:00 committed by Greg Kroah-Hartman
parent ccb8fc65a3
commit 8ef808b3f4
1 changed files with 10 additions and 4 deletions
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14
arch/x86/include/asm/GEN-for-each-reg.h
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@ -1,11 +1,16 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* These are in machine order; things rely on that.
*/
#ifdef CONFIG_64BIT
GEN(rax)
GEN(rbx)
GEN(rcx)
GEN(rdx)
GEN(rbx)
GEN(rsp)
GEN(rbp)
GEN(rsi)
GEN(rdi)
GEN(rbp)
GEN(r8)
GEN(r9)
GEN(r10)
@ -16,10 +21,11 @@ GEN(r14)
GEN(r15)
#else
GEN(eax)
GEN(ebx)
GEN(ecx)
GEN(edx)
GEN(ebx)
GEN(esp)
GEN(ebp)
GEN(esi)
GEN(edi)
GEN(ebp)
#endif